Why is nitric acid added to Sodium Extract before adding Silvernitrate for testing halogens?

Why is nitric acid added to Sodium Extract before adding Silvernitrate for testing halogens?

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

Salim Ahmed Kawsar

Nitric acid is added to decompose NaCN & Na₂S.

NaCN + HNO₃→ NaNO₃ + HCN

Na₂S + HNO₃ → 2NaNO₃ + H₂S

4 views Answered 2023-02-05 15:29

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